Ultraselective Transcatheter Arterial Chemoembolization with a 2-F Tip Microcatheter for Small Hepatocellular Carcinomas: Relationship Between Local Tumor Recurrence and Visualization of the Portal Vein with Iodized Oil

Ultraselective TACE was safe and effective in a significant number of tumors. In particular, local recurrence was significantly lower when a greater degree of portal vein visualization was demonstrated during TACE.